One step visual integration. Although ABB (and Siemens) have a fairly simple interface (I actually prefer Siemens use of Java Applets to ABB's Codesys Visualization) I would like to be able to quickly and efficiently use pre-programmed applets and objects to create the visuals for the programs.

Is there any advice you want to share with users to help them avoid common errors in selection or usage of programmable logic controllers?

18 answers

Answers:

Don't spend money you don't have to. Sure, the new ABB 590 series is great and will do things that some tablet PCs won't, but if you're just controlling a can-opener, you don't need the extras. Engineer effectively, but keep cost in mind ... we have a soft spot for the cool stuff and it can be difficult to say no to the latest and greatest electronics.

~Ken S, Controls Engineer, Cumming, GA

Make sure about sourcing and sinking cards, especially when upgrading from let say a MEDOC to a AB PLC, it is very important! And make sure you understand each card before purchasing (just the basic uses), it saves money

~Louis D, Progress specialist Engineer, Vereeniging, South Africa

Don't be dazzled with specifications from non-established manufacturers or by cheaper equipment from manufacturers who don't have extensive worldwide support and infrastructure.

~Greg D, Sneior Control Systems Engineer, Cedar Rapids, IA

Watch IO count per channel, Excessive IO on one or more channels can bottleneck the entire system.

~Jude W, Controls System Developer, Walton, KY

Please make the communication between PLC and other devices as user friendly as possible.

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